As slips of the tongue go, it was about the worst James Naughtie could have made. Inadvertently substituting a "c" for the "h" in Hunt, when announcing an upcoming interview with Jeremy Hunt, the culture secretary.

Many of us have been there: making an embarrassing linguistic faux pas in a formal situation. Very few, however, will have had to contend with reading the national news to hundreds of thousands of listeners straight afterwards.

So what are your own worst examples of howlers and spoonerisms at formal occasions – at work, or in front of an audience? And how did you deal with the aftermath?